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authorJoe Thornber <ejt@redhat.com>2013-05-10 17:37:19 +0400
committerAlasdair G Kergon <agk@redhat.com>2013-05-10 17:37:19 +0400
commit1921c56d95c4ac92b359ad44ffbc1e9a36060b29 (patch)
tree86d0e844addb338759bf9bae0c8253c7dcb34921 /drivers/sh
parent5d0db96d13a4e2cd22b52494fb19ce5a9c8b8d90 (diff)
downloadlinux-1921c56d95c4ac92b359ad44ffbc1e9a36060b29.tar.xz
dm persistent data: support space map resizing
Support extending a dm persistent data metadata space map. The extend itself is implemented by switching back to the boostrap allocator and pointing to the new space. The extra bitmap indexes are then allocated from the new space, and finally we switch back to the proper space map ops and tweak the reference counts. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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